EP0255163B1 - Suspension for a wheel - Google Patents
Suspension for a wheel Download PDFInfo
- Publication number
- EP0255163B1 EP0255163B1 EP87201311A EP87201311A EP0255163B1 EP 0255163 B1 EP0255163 B1 EP 0255163B1 EP 87201311 A EP87201311 A EP 87201311A EP 87201311 A EP87201311 A EP 87201311A EP 0255163 B1 EP0255163 B1 EP 0255163B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheel
- support member
- frame
- chassis
- support plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
- B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/02—Resilient suspensions for a single wheel with a single pivoted arm
- B60G3/04—Resilient suspensions for a single wheel with a single pivoted arm the arm being essentially transverse to the longitudinal axis of the vehicle
- B60G3/06—Resilient suspensions for a single wheel with a single pivoted arm the arm being essentially transverse to the longitudinal axis of the vehicle the arm being rigid
Definitions
- a further support member can be coupled between the frame/chassis and the upper support member. If this further support member is embodied as a triangle a double triangle construction can be obtained. However it is also possible to embody the upper support member as "Mc Pherson" strut, which is as such well known in the art. Both structures are very simple to realise and their use will depend from design and cost considerations. According to a further preferred embodiment said wheel is a steerable wheel.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
- This invention relates to a suspension for a wheel according to the preamble of
claim 1. - Such a device is known from J.REIMPELL "Fahrwerktechnik 1" 5th edition, 1982, VOGEL, Würzburg, page 378, fig. 3.5/4. In this publication the pivot point lies at a considerable distance from the wheel bearing means. Although such a structure might be quite satisfactory for driven wheels the space requirement for bearing means and pivot are relatively large for non-driven wheels. Furthermore the pivot is relatively unprotected against water and other external influences. Because the lower support arm is a lowest protruding part of the vehicle it is important that this arm could be positioned as high as possible relative to the wheel without deterioriating the structural stiffness of the wheel suspension.
- From GB-A-2 100 201 a suspension for a steerable wheel is known comprising a support plate to which which bearing means are connected on the one hand and a support construction for connection to the frame or chassis on the other hand. This support construction comprises an upper single support member pivotly connected to the support plate and rigidly connected to the frame/chassis and a lower support member being connected through a pivot joint with said support joint, whereby the lower support member extends substantially in a direction of the wheel axis and is connected to the frame/chassis at the side of the wheel. The upper support member is connected to the frame at the side of the wheel. In this suspension a short absorber/spring unit are integrated and the lower part of it is provided with two pivot points engaging the support structure. This is a complicated structure requiring a large number of pivot points and except from being expensive to produce the unsprung weight of this structure is considerable.
- From DE-A-3 243 434 a McPherson strut is known for a fixed wheel, i.e. a non-steerable wheel.
- The suspension described above is known from EP-A-0 122 161.
The structure known from this publication is only suitable for vehicles having two wheels behind each other in the direction of movement and has as further drawback that a considerable number of linkages is used for connecting the wheel to the frame/chassis. - Subject invention aims to obviate these drawbacks and to provide a wheel suspension which can be used in vehicles having more than two wheels, or having two wheels not being behind each other in the direction of movement.
- According to the invention this aim is realized with the characterizing features of
claim 1. - By arranging both lower support member and upper support member lateral from the wheel and connecting these to the frame/chassis a suspension is obtained suitable for above mentioned vehicles. With this structure a relatively low number of components is sufficient for linking the wheel to the frame/chassis.
- According to a preferred embodiement the lower support member comprises a triangle structure. In a very simple way it is now possible to obtain a light and yet rigid linkage between the wheel and the chassis.
- Because one side of the wheel is now totally free from support arms, it is now possible to use this side to arrange a cap which covers the wheel. Because of the large diameter inner ring of the wheelbearing means a very secured mounting of said cap can be obtained. This cap is advantageous with regard to safety and will also lower the drag coefficient of the vehicle provided with such a suspension.
- To connect the upper support member to the chassis two possibilities are preferred. First of all a further support member can be coupled between the frame/chassis and the upper support member. If this further support member is embodied as a triangle a double triangle construction can be obtained. However it is also possible to embody the upper support member as "Mc Pherson" strut, which is as such well known in the art. Both structures are very simple to realise and their use will depend from design and cost considerations. According to a further preferred embodiment said wheel is a steerable wheel.
- The invention will be elucidated hereafter in more detail referring to the enclosed drawing, in which:
- Fig. 1 shows a side elevation of a wheel suspension according to the invention with "Mc Pherson" strut,
- Fig. 2 a cross section according to II-II in Fig. 1,
- Fig. 3 a side elevation of an embodiement according to the invention in which a further suspension member is used, and
- Fig. 4 a cross section according to IV-IV in Fig. 3.
- Fig. 1 shows a wheel suspension system with
wheel 1 for a vehicle, such as for example for a three-wheeled vehicle.Wheel 1 is attached to frame orchassis 2 by means of a support structure comprising alower support member 3 and a "Mc Pherson" strut generally indicated at 4.Lower support member 3 extends substantially in the direction of the wheel axis. This has to be understood in contrast with support members extending substantially perpendicular to the wheel axis. So it is possible thatsupport member 3 is arranged with a small angle relative to this wheel axis. Becausewheel 1 can be rotated in the sense of steering "wheel axis" comprises series of axii defining a plane.End 5 of "Mc Phersons" strut 4 is rigidly connected to supportplate 6.Lower support member 3 is connected withsupport plate 6 throughpivot joint 7. From Fig. 2 the connection ofsupport plate 6 to wheelbearing means 8 is clear. The inner ring of wheelbearing means 8 engagessupport plate 6 whilst the outer ring of wheelbearing means 8 engageshub 9. To hub 9disk 10 of a brake disk assembly is connected. Calliper 11 which can engagedisk 10 is connected to supportplate 6. For further details of wheelbearing means 8 and the location ofpivot joint 7 reference is made to NL-A-8601667, not yet published, which relates to a wheel suspension system where two pivot joints are used above each other and which are located within the internal bore of the wheelbearing means.Lower suspension member 3 is hinged at 12 toframe 2. For controlling the steering motion of wheel 1 asteering link 13 is provided being hingedly connected withsupport plate 6 throughpivot joint 14 on the one hand and is connected to a steering mechanism (not show) on the other hand. At its upper end "Mc Pherson" strut 4 comprises apiston rod 15, on the one hand connected to frame/chassis 2 and with its other end sliding in thelower end 5 of "Mc Pherson" strut 4. Alsospring 16 is shown engaging between frame/chassis 2 andlower end 5 of "Mc Pherson" strut 4.
From Fig. 2 it is also clear that a non rotatingwheel cap 25 is used, extending over a substantial part of the outer circumference of the wheel. Because large diameter wheelbearing means 8 are used it is possible to have said cap engagesupport plate 6 over a considerable cross section area, which improves the stability of mounting ofcap 25. Because of the presence ofcap 25 improved security is obtained as well as a lower drag coefficient of the vehicle in which this cap is used. A further embodiment of the suspension system according to the invention is shown in Fig. 3 and 4. In this embodiment the "Mc Pherson" strut is replaced by a conventionalupper support arm 17 being linked to frame/chassis 2 through afurther support arm 18.Further support arm 18 is hingedly connected tochassis 2. In connection withupper support arm 17 is provided through apivot joint 19. On upper support arm 17 afurther pivot joint 20 is provided connectingsteering linkage 21 withsupport plate 6. The structure oflower support member 3 is substantially the same as shown in the embodiment according to Fig. 1 and 2. However, as is particularly clear from Fig. 4 the disk-calliper arrangement is embodied differently. From Fig. 4 it is clear thatdisk 22 is directly connected towheel rim 23.Brake calliper 24 is connected to supportplate 6. Also a disc and brake calliper system as shown in NL-A-8601667 is possible. - Although the above described embodiments are presently preferred, it has to be understood that many modifications can be realised by anyone skilled in the art being within the scope of protection as defined in the appended claims. More particular it is possible to combine several features of the different embodiments described above or to introduce modifications being generally known in the art of suspensioning of wheels. For instance it is possible to replace "Mc Pherson" strut 4 by other arrangements through which it is possible to connect upper support member rotatingly telescopingly with the frame/chassis.
Support plate 6 can have any shape suitable to adapt bearingmeans 8 and to receive several support members.Support plate 6 can also be integrally formed withlower end 5 of strur 4. Although in the figures a steerable wheel is shown, it has to be understood, that above suspension can also be used with wheels not being steerable, such as on rear axles on vehicles.
Claims (5)
- Suspension for a wheel (1), comprising a support plate (6) to which wheel bearing means (8) are connected and a support construction (3,5,17) for connecting said support plate (6) to the frame or chassis (2), said support construction (3,5,17) comprising an upper support member (5,17) rigidly connected at one end to the upper part of said support plate and pivotly connected at its other end to the frame/chassis (2) and a lower support member (3), being connected through a pivot joint (7) with said support plate (6), whereby the lower support member (3) extends substantially in the direction of the wheel axis and is connected to the frame/chassis (2) at a distance from the side of the wheel, the upper support member (5,17) also being connected to the frame on the same side of said wheel,
characterized in that
the distance from the center of said pivot joint (7) to the axis of the bearing means (X-X) is smaller than the distance from the inner wheel bearing ring (8) to said axis (X-X). - Suspension according to claim 1 wherein the lower support member (3) comprises a triangle structure.
- Suspension according to one of the preceding claims wherein at the side of the wheel opposite to the side where the support members are provided, a non-rotating cap (25) is connected to the internal wheel bearing means, covering the wheel.
- Suspension according to one of the preceding claims, wherein the upper support member (17) is connected to a further support member (18) through a pivot joint (19), said further support member (18) being hingedly connected to said frame/chassis (2) and extending substantially in the direction of the wheel axis.
- Suspension according to one of the claism 1-3, wherein the upper support member (5) is rotatingly and/or telescopingly conected with a member being connected to the frame/chassis (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87201311T ATE82209T1 (en) | 1986-07-10 | 1987-07-09 | SUSPENSION. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8601815A NL8601815A (en) | 1986-07-10 | 1986-07-10 | SUSPENSION FOR A STEERABLE WHEEL. |
NL8601815 | 1986-07-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0255163A1 EP0255163A1 (en) | 1988-02-03 |
EP0255163B1 true EP0255163B1 (en) | 1992-11-11 |
Family
ID=19848303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87201311A Expired - Lifetime EP0255163B1 (en) | 1986-07-10 | 1987-07-09 | Suspension for a wheel |
Country Status (7)
Country | Link |
---|---|
US (1) | US4763920A (en) |
EP (1) | EP0255163B1 (en) |
JP (1) | JPS6325114A (en) |
AT (1) | ATE82209T1 (en) |
DE (1) | DE3782569T2 (en) |
ES (1) | ES2035032T3 (en) |
NL (1) | NL8601815A (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8601667A (en) * | 1986-06-25 | 1988-01-18 | Louis Huidekoper | SUSPENSION FOR A STEERABLE WHEEL. |
JPH05329274A (en) * | 1992-06-01 | 1993-12-14 | Taiyo Kogyo Kk | Suspension device of vehicle toy |
US6189977B1 (en) * | 1998-12-04 | 2001-02-20 | Jason Brent Kennedy | Go kart wheel |
GB2347908B (en) * | 1999-03-15 | 2002-06-26 | Delphi Tech Inc | Steering knuckle and suspension module |
US20050280241A1 (en) * | 2004-01-28 | 2005-12-22 | Giorgio Bordini | Suspended, articulated and powered front axle for work vehicle |
US7571918B2 (en) * | 2006-03-31 | 2009-08-11 | Honda Motor Company, Ltd. | Suspension arm for a vehicle |
DE102008009735A1 (en) * | 2008-02-19 | 2009-08-20 | Basf Se | Device for extruding molding compounds |
JP5049235B2 (en) * | 2008-09-09 | 2012-10-17 | 本田技研工業株式会社 | Vehicle suspension arm |
US9475357B1 (en) | 2015-04-13 | 2016-10-25 | Reyco Granning, Llc | Strut and air spring IFS assembly maximizing available steering knuckle wheel cut |
US9676240B2 (en) | 2015-04-13 | 2017-06-13 | Reyco Granning, Llc | IFS including control arm and strut supported by steering knuckle load arm |
US9475354B1 (en) | 2015-04-13 | 2016-10-25 | Reyco Granning, Llc | IFS including strut pivotally secured to chassis with clevis ring |
US9550401B2 (en) | 2015-04-13 | 2017-01-24 | Reyco Granning, Llc | IFS including strut pivotally secured to chassis through torque tube assembly |
US9550402B2 (en) | 2015-04-13 | 2017-01-24 | Reyco Granning, Llc | Independent front suspension module for installation into a vehicle |
CN106042805A (en) * | 2016-07-12 | 2016-10-26 | 无锡顺达智能自动化工程股份有限公司 | Omnidirectional mobile chassis walking wheel suspension system |
CN116638896B (en) * | 2023-07-25 | 2023-11-24 | 麦格纳卫蓝新能源汽车技术(镇江)有限公司 | Front wheel bag structure |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2782871A (en) * | 1953-09-25 | 1957-02-26 | Gen Motors Corp | Wheel structure with non-rotating hub cap |
US3075787A (en) * | 1961-09-25 | 1963-01-29 | Mineck Fred | Automotive front suspension stabilizer |
GB1133310A (en) * | 1966-12-09 | 1968-11-13 | Fiat Spa | Improvements in or relating to motor vehicle suspensions |
FR2418141A1 (en) * | 1978-02-24 | 1979-09-21 | Cortanze Andre | Suspension layout for competition motorcycle - uses hub-centre steering front and pivoted fork rear with levers operating inclined spring |
US4265329A (en) * | 1978-02-24 | 1981-05-05 | Cortanze Andre | Frameless motorcycle |
US4377298A (en) * | 1981-06-11 | 1983-03-22 | General Motors Corporation | Vehicle wheel suspension |
DE3231364A1 (en) * | 1982-08-24 | 1984-03-01 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | Ventilation device for the brake in a motor vehicle |
DE3243434C2 (en) * | 1982-11-24 | 1986-10-23 | Audi AG, 8070 Ingolstadt | Independent wheel suspension for the rear wheels of a motor vehicle |
FR2539375A1 (en) * | 1983-01-13 | 1984-07-20 | Bruneau Jean Bertrand | MOTORCYCLE FRONT WHEEL SUSPENSION AND DIRECTION DEVICE |
US4526249A (en) * | 1983-05-25 | 1985-07-02 | Parker James G | Front suspension system for a motorcycle |
-
1986
- 1986-07-10 NL NL8601815A patent/NL8601815A/en not_active Application Discontinuation
-
1987
- 1987-07-08 US US07/071,027 patent/US4763920A/en not_active Expired - Fee Related
- 1987-07-09 ES ES198787201311T patent/ES2035032T3/en not_active Expired - Lifetime
- 1987-07-09 AT AT87201311T patent/ATE82209T1/en not_active IP Right Cessation
- 1987-07-09 DE DE8787201311T patent/DE3782569T2/en not_active Expired - Fee Related
- 1987-07-09 EP EP87201311A patent/EP0255163B1/en not_active Expired - Lifetime
- 1987-07-10 JP JP62173729A patent/JPS6325114A/en active Pending
Non-Patent Citations (1)
Title |
---|
R.Reimpell "Fahrwerktechnik 1" 5th edition, 1992, Vogel, Würzburg, page 378, fig. 3.5/4 * |
Also Published As
Publication number | Publication date |
---|---|
EP0255163A1 (en) | 1988-02-03 |
DE3782569D1 (en) | 1992-12-17 |
DE3782569T2 (en) | 1993-03-25 |
JPS6325114A (en) | 1988-02-02 |
ES2035032T3 (en) | 1993-04-16 |
NL8601815A (en) | 1988-02-01 |
US4763920A (en) | 1988-08-16 |
ATE82209T1 (en) | 1992-11-15 |
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